The difference in tones between the displacement in salt water at summer load waterline and the light weight of the vessel is ______．

试卷相关题目

• 1At the required fire drill conducted aboard a vessel，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them ______．

  A.by the tool pusher

  B.in the station bill

  C.by the person conducting the drill

  D.at the previous safety meeting

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• 2A fire starts on your vessel while refueling．You should FIRST ______．

  A.stop the ventilation

  B.sound the general alarm

  C.determine the source of the fire

  D.attempt to extinguish the fire

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• 3Your vessel is equipped with totally enclosed lifeboats．Which statement is TRUE when the boat is enveloped in flames、

  A.The ventilators will automatically close by the action of fusible links

  B.The motor takes its air supply from outside the lifeboat to prevent asphyxiation（窒息） of the crew

  C.A water spray system to cool the outside of the boat is operated by a high-volume manual pump

  D.An air tank will provide about ten minutes of air for the survivors and the engine

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• 4Damage to ship’s fittings caused by stevedore's negligence often happens．Therefore，the stevedores ______ the cost of the damage repaired afterwards．

  A.should hold responsible for

  B.should be held responsible for

  C.should be free of

  D.should be bearable of

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• 5Most propellers on merchant vessels are constructed of_____．

  A.manganese bronze

  B.cast iron

  C.mild steel

  D.improved plow steel

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• 6By regulation，cargo tanks must be inert before and during what operation、

  A.Stripping

  B.Loading

  C.Cleaning

  D.Crude oil washing

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• 7You should do a ______ check to all of the cargo before shipment．

  A.though

  B.through

  C.thorough

  D.thoroughly

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• 8Chafing gear（防摩擦装置） is used to ______．

  A.anchor the boat

  B.pick up heavy loads

  C.protect fiber rope from abrasion

  D.strengthen mooring lines

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• 9TO EVACUATE A VESSEL FROM CREW AND PASSENGERS FOLLOWING A DISTRESS means ______．

  A.abandon vessel

  B.drift

  C.beach to

  D.assembly station

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• 10THROWING OVERBOARD OF GOODS IN ORDER TO LIGHTEN THE VESSEL OR IMPROVE ITS STABILITY IN CASE OF AN EMERGENCY defines ______．

  A.Dropping off

  B.Jettison

  C.Throwing away

  D.Taking off

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